Timing a memory-chip stock exit with Korean export data
An investor asks Claude to build a dashboard around Korean semiconductor export figures as an early warning sign for the next memory-chip downturn.
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Catching a real error in a Journal of Economic Theory proof
Claude verifies a published proof, misses a subtle continuity gap, gets corrected by the user, and confirms it matches the authors' own corrigendum.
Comparing four car insurers by their actual rate filings
Regulator filings for four large California carriers are mined into an eight-tab workbook, exposing one insurer pricing mileage across a fivefold factor spread.
Estimating investor losses from Trump's crypto ventures
Claude reconciles wildly different loss estimates ($2B-$4.5B) for Trump-linked crypto tokens, walking through three methods analysts use to calculate them.
Fact-checking Freakonomics' 'missing children' story
Claude checks Freakonomics' famous claims against primary sources, finding the '7 million missing children' fraud story and others were oversold.